It’s 15 years since the first iPhone went on sale, the next Apple Watch will tell you if you’re running a fever, Bowers & Wilkins releases its latest noise cancelling headphones, we take a look at the Astell and Kern UW100 earphones, Philips Pico Projector allows you enjoy your movies and games anywhere on a grander scale, Uniden’s new car kit means you can take your UHF radio anywhere and we’ll answer all your questions in the Tech Guide Help Desk.